lockbit | 35d4e7787f1ccf693111036ec4c151dffaf5c77de07a49d0651e0c9fc54946e5

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
01/08/2024, 01:15

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General

Target

2024-08-01_b70f77f443151c086b97eb420bf8d30f_lockbit.exe
Size

151KB
MD5

b70f77f443151c086b97eb420bf8d30f
SHA1

b7f85930d03c87c64d37705e32c9ecaa6f95be2b
SHA256

35d4e7787f1ccf693111036ec4c151dffaf5c77de07a49d0651e0c9fc54946e5
SHA512

b108038f96a73552cd3bf76fcdaff221084ea05ffce96893839421b6843d5491d9b835b662da43d06fd7db28104654e901d202582e659f55413b07423bfed362
SSDEEP

3072:4DzWzctTs3p6vNbbqjvXClCuFXxomexB/dEPc+8EGAvDP1+ZklYkvZ5ZblqMfsHQ:4DzCctTs3QlfuH6Xxomu5EVvDt+Zzkv1

Score

10^/10

lockbit discovery ransomware

Malware Config

Signatures

Lockbit
Ransomware family with multiple variants released since late 2019.
ransomware lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs

resource	yara_rule
behavioral1/memory/2572-0-0x0000000000400000-0x0000000000429000-memory.dmp	family_lockbit

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2688	2572	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-01_b70f77f443151c086b97eb420bf8d30f_lockbit.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2688	2572	2024-08-01_b70f77f443151c086b97eb420bf8d30f_lockbit.exe	30
PID 2572 wrote to memory of 2688	2572	2024-08-01_b70f77f443151c086b97eb420bf8d30f_lockbit.exe	30
PID 2572 wrote to memory of 2688	2572	2024-08-01_b70f77f443151c086b97eb420bf8d30f_lockbit.exe	30
PID 2572 wrote to memory of 2688	2572	2024-08-01_b70f77f443151c086b97eb420bf8d30f_lockbit.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-08-01_b70f77f443151c086b97eb420bf8d30f_lockbit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-01_b70f77f443151c086b97eb420bf8d30f_lockbit.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2572 -s 88
  2⤵
  - Program crash
  PID:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2572-0-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

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